CA-294519: xscontainer does not work with latest CoreOS as cloud-init, etcd and etcd2 depreciated
CA-294519: xscontainer does not work with latest CoreOS as cloud-init, etcd
and etcd2 depreciated

Fix this issue by upgrade the etcd configration in cloud-config template

Signed-off-by: Lin Liu <2015123f703fb35f891d20c005759ee15c3da794@citrix.com>

xenserver/xscontainer,xenserver/xscontainer